Remove unused master-slave setup

postgres-replica-stuff/configs/postgres-hba.conf

@@ -1,11 +0,0 @@
-# TYPE  DATABASE        USER            ADDRESS                 METHOD
-# "local" is for Unix domain socket connections only
-local   all             all                                     trust
-# IPv4 local connections:
-host    all             all             127.0.0.1/32            trust
-# Allow replication connections from localhost, by a user with the
-# replication privilege.
-local   replication     all                                     trust
-host    replication     replicator      0.0.0.0/0               trust
-
-host all all all scram-sha-256

postgres-replica-stuff/configs/postgres.conf

@@ -1,23 +0,0 @@
-listen_addresses = '*'
-
-max_connections = 128
-shared_buffers = 256MB
-effective_cache_size = 4GB
-maintenance_work_mem = 128MB
-work_mem = 8MB
-checkpoint_completion_target = 0.9
-wal_buffers = 16MB
-default_statistics_target = 100
-random_page_cost = 2.5
-effective_io_concurrency = 1
-min_wal_size = 64MB
-max_wal_size = 2GB
-max_worker_processes = 6
-max_parallel_workers_per_gather = 4
-
-# Standby replication setup
-wal_level = replica
-max_wal_senders = 12
-max_replication_slots = 12
-hot_standby = on
-hot_standby_feedback = on

postgres-replica-stuff/docker-compose.yml

@@ -1,21 +0,0 @@
-# This is for the Slave node, Master node is in the root directory of the same file.
-services:
-  cache-slave:
-    container_name: redis-cache-slave
-    image: redis/redis-stack-server:7.2.0-v6
-    restart: unless-stopped
-    ports:
-      - 6379:6379/tcp
-  db-slave:
-    container_name: postgres-slave
-    image: postgres:16.2-alpine3.19
-    restart: unless-stopped
-    ports:
-      - 5432:5432/tcp
-    volumes:
-      - /var/lib/docker/volumes/daggerbot-db:/var/lib/postgresql/data:rw
-      - ./configs/postgres-hba.conf:/var/lib/postgresql/data/pg_hba.conf:rw
-      - ./configs/postgres.conf:/var/lib/postgresql/data/postgresql.conf:rw
-    environment:
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
-      POSTGRES_DB: ${POSTGRES_DB}

postgres-replica-stuff/postgres-setup-replica.sql

@@ -1,8 +0,0 @@
--- This is for the slave.
-CREATE USER replicator WITH REPLICATION ENCRYPTED PASSWORD '<password_here>';
-
--- This is for the master.
-SELECT * FROM pg_create_physical_replication_slot('replication_slot_slave');
-SELECT * FROM pg_replication_slots;
-
--- https://medium.com/swlh/postgresql-replication-with-docker-c6a904becf77